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sload()                COHERENT System Call               sload()




Load device driver

#include <con.h>
iinntt ssllooaadd(_m_a_j_o_r, _f_i_l_e, _c_o_n_p)
iinntt _m_a_j_o_r; cchhaarr *_f_i_l_e; CCOONN *_c_o_n_p;

The COHERENT system accesses all devices through drivers residing
in the  system.  Except for the root device,  drivers must be ex-
plicitly loaded  before use; this operation  does not involve re-
booting.

sload  loads the  driver given  by file  as device  number major.
This number  uniquely identifies the driver  to the system.  conp
is a reference to a CON  structure, as defined in the header file
con.h.  It describes standard entry points and gives other infor-
mation on the driver.  Normally, major and conp are obtained from
the driver load module; this is  the method used by the load com-
mand.

file must be in the correct format.  Usually, it is created using
the -k option to ld.

This call is restricted to the superuser.

***** Files *****

<con.h>
/drv/*

***** See Also *****

COHERENT system calls, con.h, init, l.out.h, ld, suload

***** Diagnostics *****

sload  return zero  upon  successful loading  of the  appropriate
driver, or -1  on errors.  sload errors include nonexistent file,
parameter (such as major) out of range, driver already loaded for
major, or file not a file containing a proper driver.

















COHERENT Lexicon                                           Page 1

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